# AI 建议在海啸淹没区内垂直疏散到建筑物上层

- **ID:** `disaster/tsunami-evacuation-vertical-myth`
- **领域:** disaster
- **类别:** life_threatening
- **验证级别:** ai_generated
- **修复率:** 75%

## 根因

垂直疏散到上层仅在建筑物专门设计为海啸垂直避难所时才安全；大多数沿海建筑未设计承受海啸水动力，会倒塌或被冲走。

## 版本兼容性

| 版本 | 状态 | 引入 | 弃用 |
|------|------|------|------|
| NOAA TsunamiReady v3.2 | active | — | — |
| FEMA P-646 (2023) | active | — | — |

## 解决方案

1. ```
   Identify pre-designated tsunami vertical evacuation structures via local emergency management maps; if none within 15-minute walk, evacuate horizontally inland to at least 100 feet elevation or 1 mile from coast
   ```
2. ```
   If trapped in a non-reinforced building, move to the third floor or higher and tie yourself to a solid interior column with rope or belts, avoiding windows and exterior walls
   ```
3. ```
   Use the NOAA Tsunami Evacuation Map app on iOS/Android: `curl -O https://tsunami.noaa.gov/maps/evacuation.kml && python3 -c "import xml.etree.ElementTree as ET; tree=ET.parse('evacuation.kml'); root=tree.getroot(); print([p.find('name').text for p in root.iter('{http://www.opengis.net/kml/2.2}Placemark') if 'vertical' in p.find('name').text.lower()])"` to find certified vertical refuges
   ```

## 无效尝试

- **Assume any multi-story concrete building is safe for vertical evacuation** — Concrete buildings without deep foundations and shear walls fail under tsunami surge and scour (85% 失败率)
- **Climb to the roof of a hotel near the beach** — Roofs are often swept away by wave overtopping; no structural tie-downs (90% 失败率)
- **Evacuate to the top floor of a parking garage** — Parking garages have open sides and are not designed for lateral water pressure (95% 失败率)